发明人张德明,孙丽萍,罗永刚. "Method for the Synthesis of Potassium (5s)-3,3-dimethyl-7-oxo-6-(2-phenylacetamido)-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylate" [P]. 中国发明专利, 专利号 CN 116746285 A, 授权公告日 2017-08-03.
Sørensen M, Rossi M, Lefèvre J P. "A Process for Preparing High-Purity Potassium (5s)-3,3-dimethyl-7-oxo-6-(2-phenylacetamido)-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylate" [P]. European Patent, EP 3461381 A1, 2021-11-09.
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